EP1148376A2 - Vorrichtung zur Untersuchung von Kanälen - Google Patents
Vorrichtung zur Untersuchung von Kanälen Download PDFInfo
- Publication number
- EP1148376A2 EP1148376A2 EP01107644A EP01107644A EP1148376A2 EP 1148376 A2 EP1148376 A2 EP 1148376A2 EP 01107644 A EP01107644 A EP 01107644A EP 01107644 A EP01107644 A EP 01107644A EP 1148376 A2 EP1148376 A2 EP 1148376A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- housing
- camera
- bell
- motor
- holder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000007689 inspection Methods 0.000 title abstract 2
- 238000001514 detection method Methods 0.000 claims abstract description 9
- 241001416181 Axis axis Species 0.000 description 1
- 210000001520 comb Anatomy 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B37/00—Panoramic or wide-screen photography; Photographing extended surfaces, e.g. for surveying; Photographing internal surfaces, e.g. of pipe
- G03B37/005—Photographing internal surfaces, e.g. of pipe
Definitions
- the invention relates to a device for examining Channels, with a housing in which an angle detection device, a motor and a camera are arranged, the Device is preferably provided with a push rod, with which they can be advanced and retracted in the channel is.
- the device is not moved - usually by hand - using the push rod, it can also be coupled with a trolley his.
- the television camera is connected to one via supply and data cables remote monitor connected to the transmitted images be evaluated.
- DE 195 46 510.5 already a device of the type mentioned at the beginning has been proposed, where at least the image sensor of the television camera, but preferably the entire camera module rotates in the housing the device is mounted and means are provided which under the influence of gravity Always align the entire camera module in a horizontal position.
- These means include one described in the document Embodiment a potentiometer provided with a weight body, whose change of the angular position Resistance as a control signal for one arranged in the housing Motor that serves the image sensor or the whole Camera module inside the housing in the horizontal position leads back.
- the lens of the television camera always on the longitudinal axis of the device and thus the Channel aligned so that it is not possible to the channel walls to undergo a closer examination, for example one To circle the socket connection of duct sections.
- the present invention has for its object a Develop the device of the type under consideration so that a more thorough examination of the duct walls or pipe walls enables.
- the housing is around its Longitudinal axis rotatably arranged in a bell-shaped holder, through which the push rod passes in the middle preferably contains the supply and data cables.
- the camera is a circular and pan head camera that is both around their longitudinal axis rotatable as well as about a perpendicular to the longitudinal axis Axis is pivotable so that the camera in the channel lateral areas of the channel wall are directed and around Can orbit 360 °.
- the within the Motor arranged in one of two operating modes is adjustable, in the one operating position, in which the device is pushed through the channel or is driven (with the camera preferably in the channel direction looks in front) connected to the angle detection device is that on their signals indicating a twist he Rotates the housing so that the camera is aligned horizontally. If the other operating mode of the motor is set, turns this the housing in a circular movement around the longitudinal axis, so that the previously pivoted camera in the circumferential direction the channel wall is moved.
- the two operating modes can by Set at the push of a button from the above-ground control station become.
- the device according to the invention thus delivers during its longitudinal movement always upright through the sewer or pipeline Images, the device still for detailed examination suitable for example of socket connections of the channel is. Because both for automatic adjustment of the housing in a horizontal orientation of the camera as well as for circling the channel wall is provided and the same motor is the associated space requirement in the housing is low.
- This tilt switch requires a lot less space in the Housing as a potentiometer with a weight body.
- the housing over two axially spaced ball bearings on a central one Approach of the bell-shaped bracket is stored.
- This Appropriately contains the bell-shaped bracket an annular radial between the annular bearing surfaces Projection with an external ring gear with which a drive gear of the motor protruding from the housing wall Intervention stands.
- the bell-shaped bracket advantageously has on her free end area a radially inward edge section, which engages in a circumferential groove of the housing without but to get in touch with this.
- This loose engagement of the inward curved edge portion does not affect the Rotatability of the housing in the bell-shaped holder, but prevents coarse foreign matter in the narrow gap between the inner wall of the bell-shaped bracket and the penetrate the outside of the housing.
- the housing in which the camera, the motor and the tilt switch are arranged contains a substantially perpendicular to Longitudinal axis rear wall with a central circular Opening, the edge of this wall being the storage area for that forms the inner ball bearing in the axial direction.
- the housing also includes a rearward, substantially conical wall which also terminates in a central circular opening which forms the second bearing surface. In the space between these two axially spaced housing walls engages the radial ring projection of the bell-like holder with the ring gear.
- the labyrinth-like interlocking of the wall sections of the housing and the bell-like mounting and arrangement of a seal in front of the outer ball bearing area ensures that the housing is absolutely tight, while ensuring that the housing can be easily rotated.
- the assembly of the bell-like holder and the housing is made possible in that the bell-like holder is composed of two parts, the parting plane of which runs through the longitudinal axis. The two bell halves are expediently screwed together, which also facilitates the fastening of the push rod in the bell-shaped holder.
- the device shown in the figures contains a bell-shaped one Bracket 1 or sliding bell, one in the direction contains the longitudinal axis 2 extending bore 3, in one Push rod can be attached with which the device in can be advanced and withdrawn through a channel.
- the Sliding bell 1 comprises approximately the rear half of a housing 4, in which a lens 5 and a camera module image pickup unit 6, a tilt switch 7 and an electric motor 8 are arranged.
- a lens 5 and a camera module image pickup unit 6, a tilt switch 7 and an electric motor 8 are arranged.
- the camera in the housing 4 about a perpendicular to the longitudinal axis 2 Swivel axis arranged, for which purpose within the building another motor (not shown) is arranged.
- the Details of the pivotability of the camera are for the present invention of no interest.
- the supply and data cables (not shown) run through channel 3 and can with or without slip ring 9 to the contacts of the camera 6, the Tilt switch 7 and the motor 8 can be connected.
- lamps are referred to that in the direction of view illuminate the channel to be examined on the camera.
- the housing 4 has a first rear housing wall 11 which runs perpendicular to the longitudinal axis 2 and in an annular Edge 12 ends at which a first ball bearing 13 is arranged is that on the opposite annular edge 14 of a central projection 15 of the bell-like holder 1 supports.
- the housing 4 also has a substantially conical shape rear housing wall 16, the inner annular edge 17 forms the bearing surface for a second ball bearing 18, whose inner bearing surface 19 of the central projection 15 of the bell-shaped bracket 1 axially spaced from the first bearing 12 is.
- the housing 4 has approximately in the middle of its axial extent a circumferential groove 24 with a front perpendicular to the longitudinal axis 2 extending groove wall 25.
- the bell-like bracket 1 has at its free end an inwardly extending edge section 26, the with little play to the groove wall 25 and the groove bottom 27 in engages this annular recess.
- the tilt switch 7 schematically shows the arrangement of the tilt switch 7, which contains a contactor 29, which is always in a vertical position want to take.
- the tilt switch also contains two Switching points 30 with which the contactor 29 depending on the direction the rotation of the device comes into contact. Every switching point is a control signal for the motor 8 with the associated motor direction of rotation assigned. The motor is operated as long as until the contactor 29 is again contactless.
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Accessories Of Cameras (AREA)
- Studio Devices (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Lubrication Of Internal Combustion Engines (AREA)
Abstract
Description
Die Montage der glockenartigen Halterung und des Gehäuses wird dadurch ermöglicht, daß die glockenartige Halterung aus zwei Teilen zusammengesetzt sind, deren Trennebene durch die Längsachse verläuft. Die beiden Glocken-Hälften sind zweckmäßigerweise miteinander verschraubt, was auch die Befestigung der Schiebestange in der glockenförmigen Halterung erleichtert.
- Fig. 1
- einen schematischen Längsschnitt durch die Vorrichtung und
- Fig. 2
- einen schematischen Querschnitt durch die Vorrichtung gemäß Fig. 1.
Claims (5)
- Vorrichtung zur Untersuchung von Kanälen oder dergleichen, mit einem Gehäuse, in dem eine Winkelerfassungseinrichtung, ein Motor und eine Kamera angeordnet sind, und vorzugsweise mit einer Schiebestange zum Bewegen der Vorrichtung in dem Kanal,
dadurch gekennzeichnet, daß das Gehäuse (4) um seine Längsachse (2) drehbar in einer glockenförmigen Halterung (1) sitzt, daß die Kamera (5, 6) eine Kreis- und Schwenkkopfkamera ist und daß der Motor (8) in eine von zwei Betriebsarten einstellbar ist, derart, daß er entweder auf Signale der Winkelerfassungseinrichtung (7) hin das Gehäuse (4) so dreht, daß die Kamera horizontal ausgerichtet ist, oder das Gehäuse (4) in einer Kreisbewegung zur Untersuchung der Kanalwand dreht. - Vorrichtung nach Anspruch 1,
dadurch gekennzeichnet, daß die Winkelerfassungseinrichtung ein Neigungsschalter (29, 30) ist. - Vorrichtung nach Anspruch 1 oder 2,
dadurch gekennzeichnet, daß das Gehäuse (4) über zwei axial voneinander beabstandete Kugellager (14, 18) auf ringförmigen Abschnitten der glockenartigen Halterung (1) gelagert ist. - Vorrichtung nach Anspruch 3,
dadurch gekennzeichnet, daß die glockenartige Halterung (1) zwischen den ringförmigen Lagerabschnitten einen ringförmigen radialen Vorsprung (20) mit einem äußeren Zahnkranz (21) aufweist, mit dem ein Antriebszahnrad (22) des Motors (8) kämmt. - Vorrichtung nach einem der Ansprüche 3 oder 4,
dadurch gekennzeichnet, daß die glockenartige Halterung an ihrem freien Ende einen radial einwärts gerichteten Randabschnitt (26) aufweist, der in eine Umfangsnut (24) des Gehäuses (4) eingreift.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10017352A DE10017352A1 (de) | 2000-04-07 | 2000-04-07 | Vorrichtung zur Untersuchung von Kanälen |
| DE10017352 | 2000-04-07 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP1148376A2 true EP1148376A2 (de) | 2001-10-24 |
| EP1148376A3 EP1148376A3 (de) | 2001-10-31 |
| EP1148376B1 EP1148376B1 (de) | 2003-03-05 |
Family
ID=7637942
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP01107644A Expired - Lifetime EP1148376B1 (de) | 2000-04-07 | 2001-03-28 | Vorrichtung zur Untersuchung von Kanälen |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP1148376B1 (de) |
| AT (1) | ATE233912T1 (de) |
| DE (2) | DE10017352A1 (de) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7708495B1 (en) | 2007-11-20 | 2010-05-04 | Chris Antee | Levee system |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4314769A1 (de) * | 1993-05-05 | 1994-11-10 | Rico Mikroelektronik Gmbh | Verfahren und Einrichtung zur Fokussierung einer Kanalrohrfernsehkamera |
| DE29500127U1 (de) * | 1995-01-05 | 1995-03-23 | Kapchinus, Birgit, 37290 Meißner | Vorrichtung zur Innenuntersuchung von Rohren mit einer Kamera |
| DE19546510C2 (de) * | 1995-12-13 | 1998-04-09 | Wolfgang Rausch Gmbh & Co Elec | Kamerasystem zur Untersuchung von Rohrleitungen |
| DE19746347C1 (de) * | 1997-10-21 | 1999-02-04 | Hunger Ibak H Gmbh & Co Kg | Schwenkkopf-Kamera mit Fern- und Nahfeldbeleuchtung |
-
2000
- 2000-04-07 DE DE10017352A patent/DE10017352A1/de not_active Withdrawn
-
2001
- 2001-03-28 EP EP01107644A patent/EP1148376B1/de not_active Expired - Lifetime
- 2001-03-28 AT AT01107644T patent/ATE233912T1/de not_active IP Right Cessation
- 2001-03-28 DE DE50100115T patent/DE50100115D1/de not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7708495B1 (en) | 2007-11-20 | 2010-05-04 | Chris Antee | Levee system |
Also Published As
| Publication number | Publication date |
|---|---|
| ATE233912T1 (de) | 2003-03-15 |
| DE50100115D1 (de) | 2003-04-10 |
| EP1148376B1 (de) | 2003-03-05 |
| DE10017352A1 (de) | 2001-10-25 |
| EP1148376A3 (de) | 2001-10-31 |
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